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92 lines
1.6 KiB
92 lines
1.6 KiB
// CTable.h -- CCompressTable class definition
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#ifndef __CTABLE_H__
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#define __CTABLE_H__
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typedef void *PVOID;
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#define NDX_LOW_CLASS 0x00
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#define NDX_MEDIUM_CLASS 0x01
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#define LITERAL_CLASS 0x02
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#define SPACES_CLASS 0x03
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#define NULL_CLASS 0x04
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#define SPACE_TOKEN_LIMIT 17
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#define SYMBOL_CHAR 1
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typedef struct _ENCODE // JOHN
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{
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BYTE fClass;
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BYTE abCode[3];
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} ENCODE;
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typedef ENCODE *PENCODE;
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typedef struct _WEIGHT // JOHN
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{
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BOOL bSymbol;
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int cb;
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LPSTR pb;
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} WEIGHT;
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typedef WEIGHT FAR *PWEIGHTS;
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typedef struct _JIndexHdr
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{
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DWORD cBits : 5;
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DWORD cCount : 19;
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DWORD Magic : 8;
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} JBITHDR;
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#define ENCODE_LIMIT 1024
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#ifdef _DEBUG
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extern int iNumLiterals;
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extern int iNumLiteralBytes;
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#endif
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class CCompressTable
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{
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public:
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static CCompressTable *NewCompressTable(HGLOBAL hpbImage, LONG cbImage, HGLOBAL hpbIndex, LONG cbIndex);
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~CCompressTable();
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INT DeCompressString(LPSTR pbComp, LPSTR pbDecomp, int cbComp); // JOHN
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private:
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PWEIGHTS m_pWeights; // JOHN
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// LPSTR m_pTableImage;
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HGLOBAL m_hWeights;
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HGLOBAL m_hImage;
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HGLOBAL m_hWeight;
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};
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#define BITS_AVAIL (sizeof(DWORD) * 8)
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class CJCode
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{
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public:
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CJCode(int base, int cCount, LPSTR pv);
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int GetNextDelta();
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private:
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int GetBits();
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DWORD FAR *m_pData;
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DWORD FAR *m_pDataCurrent;
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int m_cCount;
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int m_cCurrent;
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int m_base;
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DWORD m_fBasisMask;
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int m_iLeft;
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};
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#endif __CTABLE_H__
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